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Finding the Fourth Proportional to 2,741.27, 4,111.30 and 793.05

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Solution

The fourth proportional to 2,741.27, 4,111.30 and 793.05 is: 1,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.27 : 4,111.30 = 793.05 : x
  2. Step 2: Convert to fraction form
    2,741.27/4,111.30 = 793.05/x
  3. Step 3: Cross multiply
    2,741.27x = 4,111.30 × 793.05
  4. Step 4: Simplify right side
    2,741.27x = 3,260,466.47
  5. Step 5: Solve for x
    x = 3,260,466.47/2,741.27
  6. Step 6: Final answer
    x = 1,189.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.